Home / 741,719.60-1,112,579.40-662,987.60

Finding the Fourth Proportional to 741,719.60, 1,112,579.40 and 662,987.60

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Solution

The fourth proportional to 741,719.60, 1,112,579.40 and 662,987.60 is: 994,481.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,719.60 : 1,112,579.40 = 662,987.60 : x
  2. Step 2: Convert to fraction form
    741,719.60/1,112,579.40 = 662,987.60/x
  3. Step 3: Cross multiply
    741,719.60x = 1,112,579.40 × 662,987.60
  4. Step 4: Simplify right side
    741,719.60x = 737,626,346,215.44
  5. Step 5: Solve for x
    x = 737,626,346,215.44/741,719.60
  6. Step 6: Final answer
    x = 994,481.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.